Βάλας της Περσίας: Διαφορά μεταξύ των αναθεωρήσεων

* ''The Political History of Iran under the Sasanians, R. N. Frye, The Cambridge History of Iran, Vol.3, Ed. Yarshater, 149.''

* ''a b c d e The Political History of Iran under the Sasanians, R. N. Frye, 149.''

* ''Touraj Daryaee, Sansanian Persia:The Rise and Fall of an Empire, (I.B.Tauris, 2010), 25.''

* ''Chisholm, Hugh, ed. (1911). "Balash". Encyclop?dia Britannica (11th ed.). Cambridge University Press.''